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Surficial geologic map the Newman Peak Quadrangle of the Picacho Basin. The Picacho basin is a large and complex graben surrounded by horsts and half-horsts, which are now the Picacho, Casa Grande, Silverbell, and Sacaton mountains. It formed mainly in response to late Miocene extension. Internal drainage probably persisted until about 3 million years ago. Several thousand meters of sediments fill the basin; 2000 m of evaporites and claystone form the bulk of the basin fill (Scarborough and Pierce, 1978). The upper 200 meters or so of basin fill was deposited by a gradually aggrading, regionally integrated drainage system. Young alluvium of the Santa Cruz River is up to 30 m thick and is found within 3.2 km of the...
Tags: Arizona,
Basin and range Province,
Casa grande mountains,
Flooding,
Geology, All tags...
McClellan Wash,
Pcacho peak state park,
Picacho Basin,
Picacho Mountains,
Picacho Peak,
alkaline soils,
alluvial fan,
alluvium,
arroyo,
basin-fill,
braided channel,
debris flow,
desert pavement,
duripan,
earth fissures,
eolian landforms,
evaporite,
floodplain,
geologic hazards,
geomorphology,
geoscientificInformation,
half-graben,
holocene,
late tertiary,
overbank deposits,
piedmont,
pinal county,
pleistocene,
problem soils,
quaternary,
recent,
river terrace,
sacaton mountain,
santa cruz river,
silverbell mountains,
soils,
surficial geology, Fewer tags
Surficial geologic maps of the Eloy South Quadrangle of the Picacho Basin. The Picacho basin is a large and complex graben surrounded by horsts and half-horsts, which are now the Picacho, Casa Grande, Silverbell, and Sacaton mountains. It formed mainly in response to late Miocene extension. Internal drainage probably persisted until about 3 million years ago. Several thousand meters of sediments fill the basin; 2000 m of evaporites and claystone form the bulk of the basin fill (Scarborough and Pierce, 1978). The upper 200 meters or so of basin fill was deposited by a gradually aggrading, regionally integrated drainage system. Young alluvium of the Santa Cruz River is up to 30 m thick and is found within 3.2 km of...
Tags: Arizona,
Basin and range Province,
Casa grande mountains,
Flooding,
Geology, All tags...
McClellan Wash,
Pcacho peak state park,
Picacho Basin,
Picacho Mountains,
Picacho Peak,
alkaline soils,
alluvial fan,
alluvium,
arroyo,
basin-fill,
braided channel,
debris flow,
desert pavement,
duripan,
earth fissures,
eolian landforms,
evaporite,
floodplain,
geologic hazards,
geomorphology,
geoscientificInformation,
half-graben,
holocene,
late tertiary,
overbank deposits,
piedmont,
pinal county,
pleistocene,
problem soils,
quaternary,
recent,
river terrace,
sacaton mountain,
santa cruz river,
silverbell mountains,
soils,
surficial geology, Fewer tags
Surficial geologic maps of the Eloy North Quadrangle of the Picacho Basin. The Picacho basin is a large and complex graben surrounded by horsts and half-horsts, which are now the Picacho, Casa Grande, Silverbell, and Sacaton mountains. It formed mainly in response to late Miocene extension. Internal drainage probably persisted until about 3 million years ago. Several thousand meters of sediments fill the basin; 2000 m of evaporites and claystone form the bulk of the basin fill (Scarborough and Pierce, 1978). The upper 200 meters or so of basin fill was deposited by a gradually aggrading, regionally integrated drainage system. Young alluvium of the Santa Cruz River is up to 30 m thick and is found within 3.2 km of...
Tags: Arizona,
Basin and range Province,
Casa grande mountains,
Flooding,
Geology, All tags...
McClellan Wash,
Pcacho peak state park,
Picacho Basin,
Picacho Mountains,
Picacho Peak,
alkaline soils,
alluvial fan,
alluvium,
arroyo,
basin-fill,
braided channel,
debris flow,
desert pavement,
duripan,
earth fissures,
eolian landforms,
evaporite,
floodplain,
geologic hazards,
geomorphology,
geoscientificInformation,
half-graben,
holocene,
late tertiary,
overbank deposits,
piedmont,
pinal county,
pleistocene,
problem soils,
quaternary,
recent,
river terrace,
sacaton mountain,
santa cruz river,
silverbell mountains,
soils,
surficial geology, Fewer tags
Surficial geologic map of the Picacho Reservoir Quadrangle of the Picacho Basin. The Picacho basin is a large and complex graben surrounded by horsts and half-horsts, which are now the Picacho, Casa Grande, Silverbell, and Sacaton mountains. It formed mainly in response to late Miocene extension. Internal drainage probably persisted until about 3 million years ago. Several thousand meters of sediments fill the basin; 2000 m of evaporites and claystone form the bulk of the basin fill (Scarborough and Pierce, 1978). The upper 200 meters or so of basin fill was deposited by a gradually aggrading, regionally integrated drainage system. Young alluvium of the Santa Cruz River is up to 30 m thick and is found within 3.2...
Tags: Arizona,
Basin and range Province,
Casa grande mountains,
Flooding,
Geology, All tags...
McClellan Wash,
Pcacho peak state park,
Picacho Basin,
Picacho Mountains,
Picacho Peak,
alkaline soils,
alluvial fan,
alluvium,
arroyo,
basin-fill,
braided channel,
debris flow,
desert pavement,
duripan,
earth fissures,
eolian landforms,
evaporite,
floodplain,
geologic hazards,
geomorphology,
geoscientificInformation,
half-graben,
holocene,
late tertiary,
overbank deposits,
piedmont,
pinal county,
pleistocene,
problem soils,
quaternary,
recent,
river terrace,
sacaton mountain,
santa cruz river,
silverbell mountains,
soils,
surficial geology, Fewer tags
Surficial geologic map of the Casa Grande Mountains Quadrangle of the Picacho Basin. The Picacho basin is a large and complex graben surrounded by horsts and half-horsts, which are now the Picacho, Casa Grande, Silverbell, and Sacaton mountains. It formed mainly in response to late Miocene extension. Internal drainage probably persisted until about 3 million years ago. Several thousand meters of sediments fill the basin; 2000 m of evaporites and claystone form the bulk of the basin fill (Scarborough and Pierce, 1978). The upper 200 meters or so of basin fill was deposited by a gradually aggrading, regionally integrated drainage system. Young alluvium of the Santa Cruz River is up to 30 m thick and is found within...
Tags: Arizona,
Basin and range Province,
Casa grande mountains,
Flooding,
Geology, All tags...
McClellan Wash,
Pcacho peak state park,
Picacho Basin,
Picacho Mountains,
Picacho Peak,
alkaline soils,
alluvial fan,
alluvium,
arroyo,
basin-fill,
braided channel,
debris flow,
desert pavement,
duripan,
earth fissures,
eolian landforms,
evaporite,
floodplain,
geologic hazards,
geomorphology,
geoscientificInformation,
half-graben,
holocene,
late tertiary,
overbank deposits,
piedmont,
pinal county,
pleistocene,
problem soils,
quaternary,
recent,
river terrace,
sacaton mountain,
santa cruz river,
silverbell mountains,
soils,
surficial geology, Fewer tags
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